Drilldown: Patents
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Patents > Inventor country
:
DE
or
RO
& National tech categories
:
GB 4 propel & steer
or
USPC 244/177
& IPCs
:
IPC B64C17/00
or
IPC B64C33/00
or
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Use the filters below to narrow your results.
airplane (1) ·
ascension (2) ·
balloon (2) ·
car (2) ·
compression (1) ·
cooling (1) ·
design (2) ·
electricity (2) ·
engine (1) ·
flapping (2) ·
frame (2) ·
gas (1) ·
gasoline (1) ·
glider (1) ·
heavier-than-air (2) ·
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landing (1) ·
LTA (7) ·
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ornithopter (1) ·
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propeller (3) ·
propellers (1) ·
propulsion (7) ·
rudder (1) ·
silk (1) ·
stability (1) ·
steam (1) ·
steering (1) ·
subsystem (1) ·
takeoff (1) ·
valve (1) ·
wheels (1) ·
wings (1)
Showing below up to 12 results in range #1 to #12.
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